What is the total number of carbon atoms contained in an ethyl group? (1) 1;

(2) 2; (3) 3; (4) 4

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

How have the greenhouse gasses increased from the year 2000 to 2018